When you don't know what to do, wait for your opponent to get an idea; it is sure to be bad.

Up to this point White has been following well-known analysis. But now he makes a fatal error: he begins to use his own head

I have a quite feeling of pity for all those who don't know chess; almost like I am sorry for those who never learned to love. Chess, like love and music, has the ability of making people happy.

White has no positional equivalent for the centralized pawn.

Weak points or holes in the opponent's position must be occupied by pieces not Pawns

... a lively imagination can exercise itself most fully and creatively in conjuring up magnificent combinations.

All lines of play which lead to the imprisonment of the bishop are on principle to be condemned.